RE: Re: [Homebrew_PCBs] RE: Re: The EX 3D PCB printer
2013-11-17 by <andrewm1973@...>
... Maybe direct conductor deposition has a future. It s not with silver nitrate and vitamin C though. Its been tried many times before and given up on.
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Re: [Homebrew_PCBs] RE: Re: The EX 3D PCB printer
2013-11-17 by Stefan Trethan
I do agree but kept my mouth shut since I also doubted the viability of Reprap and now you can find a 3d printer on every desk. The machine sold may turn out
Silver printing PCBs on an inkjet printer
2013-11-17 by Steve Greenfield
http://www.3dprinterworld.com/article/using-your-2d-printer-for-electrical-circuits Much cheaper than a $1500 printer. Steve Greenfield AE7HD Sent from Yahoo
RE: Re: The EX 3D PCB printer
2013-11-16 by <andrewm1973@...>
... It is a method that has been around for a long time (Silver Nitrate and Absorbic Acid). Mostly everyone else gives up on it when they hit its limitations.
Re: The EX 3D PCB printer
2013-11-16 by AlienRelics
... For everyone: First, please PLEASE don t start a new thread by responding to an existing thread. No matter that you delete the subject line and previous
Re: [Homebrew_PCBs] RE: The EX 3D PCB printer
2013-11-16 by Stefan Trethan
The resolution / edge definition didn t look all that great on the photos, certainly no better than what you can easily do with toner transfer. ST On Sat, Nov
Re: [Homebrew_PCBs] RE: The EX 3D PCB printer
2013-11-16 by Vicent Colomar Prats
$1500 too expensive by the moment. But a great idea. I will wait until it drops the price.
RE: The EX 3D PCB printer
2013-11-15 by <andrewm1973@...>
... Like most snake oil it will cost as much as suckers are willing to pay.
What to do with excess cupric chloride etchant? Perhaps this...
2013-11-15 by Philip Pemberton
Just thinking out loud here... I d appreciate a sanity check from any chemists who might be in the audience :) Right, so let s say you ve just done an acid
Re: [Homebrew_PCBs] Rescuing a weak cupric chloride etch bath
2013-11-15 by Philip Pemberton
I think I m finally getting somewhere! This evening I drained 400ml of the etchant from the tank and added the same volume of 35% HCl, mixing well. This
The EX 3D PCB printer
2013-11-15 by Paul
I haven t seen this mentioned in here before? Apologies if it has been and I missed it.
symbol/footprint formats ::.was cheap pcbs
2013-11-15 by <indigo_red@...>
I really like the ascii Mentor format for symbols and parts. Altium and others usually import them nicely.
Re: [Homebrew_PCBs] Cheap prototype boards
2013-11-14 by Mitch Davis
... Fair point. I ve removed it just because removing it was the right thing to do. Our free software tools only exist because dedicated people have spent
Re: [Homebrew_PCBs] Cheap prototype boards
2013-11-14 by David Griffith
... I appreciate the efforts of the gEDA people, but I ve begun to drift away from it. What the project really needs is to work toward some sort of
Re: [Homebrew_PCBs] Cheap prototype boards
2013-11-14 by Dylan Smith
... I don t really understand this hate on a tool (or those who use it), I ve found gEDA very useful and without it I wouldn t have been able to produce half
Re: [Homebrew_PCBs] Cheap prototype boards
2013-11-14 by DJ Delorie
... The folks at OSHPark worked with me to build a local batch-mode PCB (it s a default configure option) so they can accept *.pcb files directly, they convert
Re: Re: [Homebrew_PCBs] Cheap prototype boards
2013-11-14 by Mitch Davis
Hello andrewm1973 (who is one of my customers), ... If you put that in a blog page (or Google Doc) and you re prepared to update it from time to time, then
RE: Re: [Homebrew_PCBs] Cheap prototype boards
2013-11-14 by <andrewm1973@...>
... Mitch - you don t seem very gEDA friendly with the If you use gEDA, God help us all. bit :) It was actually pretty trivial. I just wrote
Re: [Homebrew_PCBs] Cheap prototype boards
2013-11-14 by Mitch Davis
... You ve used yourself? ... Bit pricey! I can ship 10 boards of 5x5cm for USD19. Several people on this mailing list have used my services.
Re: [Homebrew_PCBs] Re: Cheap prototype boards
2013-11-13 by Monty
I thought I saw a similar post a year ago... guess what... he s been promoting this since 2011, he probably didn t realize that he is using that same yahoo
Re: [Homebrew_PCBs] Re: Cheap prototype boards
2013-11-13 by Rick Watson
... unless they have a really great deal. :) --Rick
Re: [Homebrew_PCBs] Re: Cheap prototype boards
2013-11-13 by Monty
Hamilton, It s possible if you sent this through an smtp relay that doesn t authenticate the sender. But not this one, why? Yahoo will reject your email
Re: [Homebrew_PCBs] Re: Cheap prototype boards
2013-11-13 by Hamilton Elliott
Hi All, I don t think that it is acceptable if this came from the address supplied. I have a friend who can fake an email to come from ahitler@thebunker so
RE: [Homebrew_PCBs] Re: Cheap prototype boards
2013-11-13 by Boman33
I agree, They can obviously not be trusted. Bertho From: Jim Sent: Wednesday, November 13, 2013 09:14 To: Homebre Ban them. It s a question of personal
Re: [Homebrew_PCBs] Re: Cheap prototype boards
2013-11-13 by Jim
Ban them. It s a question of personal and professional ethics. 73 Jim N6OTQ ... Ban them. It s a question of personal and professional ethics. 73 Jim N6OTQ
Re: Cheap prototype boards
2013-11-13 by AlienRelics
So, everyone, how do we feel about people who pretend to be customers of their own business? Steve Greenfield AE7HD
Cheap prototype boards
2013-11-13 by <h_instruments@...>
Hi I make ny own PCB boards, but when I need more than one or two or want a professional look I sometimes order boards from a professionla producer. I have
Re: rescuing weak CuCL/ Making CuCL quickly
2013-11-13 by psykhon@...
Great Post! Really looking foward to see your spray etcher design.
RE: Re: [Homebrew_PCBs] Filling dye ink cartridges with pigment ink
2013-11-13 by <andrewm1973@...>
... Some of the low end canon and HP have the head integrated into the disposable cartidge. The higher end devices that are cheaper to run have just an ink
Re: [Homebrew_PCBs] Filling dye ink cartridges with pigment ink
2013-11-13 by Russell Shaw
... I got my epson stylus 400 printer (i use only for PCBs) in 1995. I ve unclogged the head a few times either by putting in a cartridge filled with Nifty
RE: Re: [Homebrew_PCBs] Filling dye ink cartridges with pigment ink
2013-11-13 by <beefyzee@...>
Thanks Russell, well looks like for now I won t get to try it out. The printheads were leaking like a sieve so the printers in the bin LOL. ... It should be
Re: [Homebrew_PCBs] Filling dye ink cartridges with pigment ink
2013-11-13 by Russell Shaw
... It should be ok. I haven t heard of any problem. I have not tried it though. It says ok here:
Filling dye ink cartridges with pigment ink
2013-11-12 by <beefyzee@...>
I ve got a Canon Pixma IP1900 printer with an empty colour cartridge. In this printer the black cartridge has a pigment ink whereas the colour cartridge has
RE: Printer scale accuracy and blackness.
2013-11-12 by <twgray2007@...>
Boy, is my face ever red...Got it! I was looking for a much more complicated solution! :+ ... I think you are missing the obvious: Print an object with
RE: [Homebrew_PCBs] RE: Printer scale accuracy and blackness.
2013-11-12 by Boman33
I think you are missing the obvious: Print an object with known dimensions, for example a PCB, and physically measure the printed copy with a regular ruler.
RE: Printer scale accuracy and blackness.
2013-11-12 by <twgray2007@...>
No need to be a jerk about it...I m not doubting your statement, I just need to determing the same thing for the printers I am using. OK, so you got them off
RE: [Homebrew_PCBs] RE: Printer scale accuracy and blackness.
2013-11-12 by Boman33
Terry, I also have Canvas. For people not familiar with the program it is like a combination of AutoCAD and Photoshop. Version 11 for the PC, and I assume
Re: [Homebrew_PCBs] RE: Printer scale accuracy and blackness.
2013-11-12 by Terry Mickelson
On 11-Nov-13, at 12:42 PM, Boman33 wrote: Note, some software allows independent scaling of both X & Y to compensate for printer or plotter errors. Bertho I m
Re: [Homebrew_PCBs] RE: Printer scale accuracy and blackness.
2013-11-12 by Terry Mickelson
On 11-Nov-13, at 12:09 PM, wrote: Where did you come up with those numbers (scale/size)? ... The Samsung CLP-325 set to 100% scale
[Homebrew PCBs] Inkjet-based circuits
2013-11-11 by Mark Lerman
This looks interesting: Mark
RE: [Homebrew_PCBs] RE: Printer scale accuracy and blackness.
2013-11-11 by Boman33
Note, some software allows independent scaling of both X & Y to compensate for printer or plotter errors. Bertho From: twgray2007@gmail.com Sent: Monday,
RE: rescuing weak CuCL/ Making CuCL quickly
2013-11-11 by <twgray2007@...>
As I posted earlier, faced with almost exactly the same situation, the solution was to circulate air through the etch bath and suspending 10 ga copper wire it
RE: Printer scale accuracy and blackness.
2013-11-11 by <twgray2007@...>
Where did you come up with those numbers (scale/size)? ... The Samsung CLP-325 set to 100% scale prints at 1:1 while an Epson Workforce 500 would print
Re: [Homebrew_PCBs] rescuing weak CuCL/ Making CuCL quickly
2013-11-11 by Philip Pemberton
... Copper (I) oxide (red powder) or Copper (II) oxide (black powder)? ... Sounds like a plan. It looks like it can be produced by heating copper in a
Re: Printer scale accuracy and blackness.
2013-11-11 by Terry Gray
Where did you find these scale/size numbers? -- Carpe diem, quam minimum credula postero. - Horace
RE: rescuing weak CuCL/ Making CuCL quickly
2013-11-11 by <andrewm1973@...>
... Ben, I also etch brass in a rotary spray etcher. I never tried CuCl etchant for it and stuck to FeCl. I didn t know if the other metals in the brass alloy
rescuing weak CuCL/ Making CuCL quickly
2013-11-11 by <benscale160@...>
You may want to purchase some Copper oxide and add that to your mix. There are several sources on ebay that sell anywhere from 1/2 lbs to 20 lbs bags. Copper
RE: RE: Double or triple printing to increase ink density/opaqueness.
2013-11-10 by <beefyzee@...>
Just letting you all know how I went. Fantastic success. I have some transparent inkjet sticky label sheets which I printed on so together with the backing
Re: [Homebrew_PCBs] Printer scale accuracy and blackness.
2013-11-10 by Mark Mickelsen
Is there a samsung monochrome laser with the same accuracy as you describe for the SL-M2625D/XAC? I have a samsung ML-2010 that has gone to that great print
Re: [Homebrew_PCBs] Rescuing a weak cupric chloride etch bath
2013-11-09 by Philip Pemberton
... I ve got a bottle of 35% on hand. I also noticed that my etch tank isn t 1 litre -- it s 2.25l. Which means I don t have 750ml of etchant -- I have TWO